CN105086655A - Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof - Google Patents
Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof Download PDFInfo
- Publication number
- CN105086655A CN105086655A CN201510466869.XA CN201510466869A CN105086655A CN 105086655 A CN105086655 A CN 105086655A CN 201510466869 A CN201510466869 A CN 201510466869A CN 105086655 A CN105086655 A CN 105086655A
- Authority
- CN
- China
- Prior art keywords
- film
- dielectric
- polypropylene
- preparation
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to the field of preparation of dielectric film materials, in particular to a nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for a film capacitor and a preparation method thereof. The composite film uses a polypropylene film with the thickness smaller than or equal to 5 microns as a basic film, a spherical ferroferric oxide magnetic powder and nanometer indium tin oxide doped nano crystalline cellulose/polyvinylidene chloride composite coating with the thickness smaller than or equal to 5 microns is arranged on the surface of the basic film, has good compatibility with the polypropylene film, is firm in absorption, excellent in mechanical property, high in strength and good in toughness and has higher dielectric constants and lower dielectric loss, the dielectric performance is stable, the advantages of organic/inorganic dielectric materials are fully integrated, and the nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film is suitable for large-scale production and can be used for production of the small-sized large-capacity light-weight film capacitor.
Description
Technical field
The present invention relates to dielectric film material preparation field, high dielectric polypropylene-base compound dielectric film being specifically related to a kind of membrane capacitance blending nano-indium stannum oxide and preparation method thereof.
Background technology
Film capacitor, also known as plastic film capacitor, is that in all film capacitors, polypropylene capacitor is most widely used in actual use with the advantage of its uniqueness using plastics film as a dielectric class electrical condenser.Along with the development of industry, the requirement of electronic product to performances such as electrical condenser lightweight, heavy body is more and more higher, but the specific inductivity of polypropylene film is on the low side, is difficult to make high performance electrical condenser, governs the application of polypropylene capacitor.
Commonly at present mainly in polypropylene, fill the organic of high-k or mineral compound for the method improving polypropylene film specific inductivity, organic dielectric materials snappiness is good, the advantages such as easy machine-shaping, but there is the shortcoming such as non-refractory, less stable, and the defect of Inorganic Dielectric Material is that film processing properties is poor, and dielectric loss increases.Therefore, research and development one roughly the same time possess inorganic/organic dielectric materials advantage composite dielectric material be the development trend of industry, be also the potential research direction widening polypropylene film capacitor.
Summary of the invention
The object of the invention is to, high dielectric polypropylene-base compound dielectric film providing a kind of membrane capacitance blending nano-indium stannum oxide and preparation method thereof, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of high dielectric polypropylene-base compound dielectric film of membrane capacitance blending nano-indium stannum oxide, it is characterized in that, this dielectric film with thickness≤5 μm polypropylene film for basement membrane, and the compound coating in membrane surface coating thickness≤5 μm, described compound coating is made up of the raw material of following weight part: nanometer spherical ferroferric oxide magnetic powder 1-2, polyvinylpyrrolidone 1-1.5, nano-indium stannum oxide 2-3, alcohol ether solvent 10-15, polyether modified silicon oil 0.1-0.2, N, N-N,N-DIMETHYLACETAMIDE 20-25, Macrogol 4000 .3-0.5, nanocrystal Mierocrystalline cellulose 2-3, polyvinylidene chloride 10-12.
High dielectric polypropylene-base compound dielectric film of described a kind of membrane capacitance blending nano-indium stannum oxide and preparation method thereof, it is characterized in that, described preparation method is:
(1) preparation of composite coating liquid: first poly(oxyethylene glycol) 400 is dropped in alcohol ether solvent, heated and stirred makes it dissolve completely, subsequently nanometer spherical ferroferric oxide magnetic powder, nano-indium stannum oxide are dropped in solution, ultrasonic agitation dispersion makes nano-powder be uniformly dispersed completely, and gained dispersion liquid is for subsequent use; Then polyvinylidene chloride, nanocrystal Mierocrystalline cellulose are dropped into N, in N-N,N-DIMETHYLACETAMIDE, heated and stirred makes solid substances dissolve completely, add the nano-powder dispersion liquid of previously preparation again, after being uniformly mixed 20-30min, add other leftover materials, be uniformly mixed disposed slurry ball-milling processing 30-40min, and mixed slurry is carried out de-bubble process, obtain nanocrystal Mierocrystalline cellulose/polyvinylidene chloride composite coating liquid for subsequent use;
(2) composite coating liquid step (1) prepared utilizes and reverses the two sides of roller kiss-type coating method even spread to polypropylene film, and utilize warm air drying and method for far-infrared drying simultaneously, drying treatment under 80-120 DEG C of condition, must this polypropylene-base compound dielectric film after complete drying.
Compound dielectric film advantage prepared by the present invention is: blending nanometer spherical ferroferric oxide magnetic powder, nanocrystal Mierocrystalline cellulose/polyvinylidene chloride the composite coating liquid of nano-indium stannum oxide not only has good film-forming properties and rheological, itself and polypropylene film consistency are good, adhere firmly, gained coating good mechanical performance after it is dry, there is high specific inductivity and lower dielectric loss, rete densification is smooth, temperature tolerance is good, dielectric properties are stablized, combine the advantage of organic/inorganic dielectric material fully, be applicable to scale operation, can be used for production miniaturization and high capacity, light-weighted membrane capacitance.
Embodiment
Embodiment
Polypropylene film thickness in the present embodiment is 5 μm, compound coating thickness is 5 μm, wherein compound coating is made up of following raw material: nanometer spherical ferroferric oxide magnetic powder 1.5, polyvinylpyrrolidone 1.2, nano-indium stannum oxide 2.5, alcohol ether solvent 12, polyether modified silicon oil 0.1, N,N-dimethylacetamide 22, Macrogol 4000 .4, nanocrystal Mierocrystalline cellulose 2.5, polyvinylidene chloride 10.
The preparation method of the high dielectric polypropylene-base compound dielectric film of described a kind of membrane capacitance blending nano-indium stannum oxide is:
(1) preparation of composite coating liquid: first poly(oxyethylene glycol) 400 is dropped in alcohol ether solvent, heated and stirred makes it dissolve completely, subsequently nanometer spherical ferroferric oxide magnetic powder, nano-indium stannum oxide are dropped in solution, ultrasonic agitation dispersion makes nano-powder be uniformly dispersed completely, and gained dispersion liquid is for subsequent use; Then polyvinylidene chloride, nanocrystal Mierocrystalline cellulose are dropped into N, in N-N,N-DIMETHYLACETAMIDE, heated and stirred makes solid substances dissolve completely, add the nano-powder dispersion liquid of previously preparation again, after being uniformly mixed 25min, add other leftover materials, be uniformly mixed disposed slurry ball-milling processing 35min, and mixed slurry is carried out de-bubble process, obtain nanocrystal Mierocrystalline cellulose/polyvinylidene chloride composite coating liquid for subsequent use;
(2) composite coating liquid step (1) prepared utilizes and reverses the two sides of roller kiss-type coating method even spread to polypropylene film, and utilize warm air drying and method for far-infrared drying simultaneously, drying treatment under 100 DEG C of conditions, must this polypropylene-base compound dielectric film after complete drying.
The performance index of the laminated film obtained by the present embodiment are as follows:
Tensile strength is: 72.5MPa; Elongation at break: 48%; Volume specific resistance: 2.4 × 10
15Ω .cm; Under room temperature condition 1KHz frequency, specific inductivity is: 88, dielectric loss≤0.4% of condition elder generation, and laminated film is horizontal percent thermal shrinkage≤1% place 15min under 120 DEG C of conditions after, longitudinal percent thermal shrinkage≤2%.
Claims (2)
1. the high dielectric polypropylene-base compound dielectric film of a membrane capacitance blending nano-indium stannum oxide, it is characterized in that, this dielectric film with thickness≤5 μm polypropylene film for basement membrane, and the compound coating in membrane surface coating thickness≤5 μm, described compound coating is formed by the preparation of raw material of following weight part: nanometer spherical ferroferric oxide magnetic powder 1-2, polyvinylpyrrolidone 1-1.5, nano-indium stannum oxide 2-3, alcohol ether solvent 10-15, polyether modified silicon oil 0.1-0.2, N, N-N,N-DIMETHYLACETAMIDE 20-25, Macrogol 4000 .3-0.5, nanocrystal Mierocrystalline cellulose 2-3, polyvinylidene chloride 10-12.
2. the preparation method of the high dielectric polypropylene-base compound dielectric film of a kind of membrane capacitance blending nano-indium stannum oxide as claimed in claim 1, it is characterized in that, described preparation method is:
(1) preparation of composite coating liquid: first poly(oxyethylene glycol) 400 is dropped in alcohol ether solvent, heated and stirred makes it dissolve completely, subsequently nanometer spherical ferroferric oxide magnetic powder, nano-indium stannum oxide are dropped in solution, ultrasonic agitation dispersion makes nano-powder be uniformly dispersed completely, and gained dispersion liquid is for subsequent use; Then polyvinylidene chloride, nanocrystal Mierocrystalline cellulose are dropped into N, in N-N,N-DIMETHYLACETAMIDE, heated and stirred makes solid substances dissolve completely, add the nano-powder dispersion liquid of previously preparation again, after being uniformly mixed 20-30min, add other leftover materials, be uniformly mixed disposed slurry ball-milling processing 30-40min, and mixed slurry is carried out de-bubble process, obtain nanocrystal Mierocrystalline cellulose/polyvinylidene chloride composite coating liquid for subsequent use;
(2) composite coating liquid step (1) prepared utilizes and reverses the two sides of roller kiss-type coating method even spread to polypropylene film, and utilize warm air drying and method for far-infrared drying simultaneously, drying treatment under 80-120 DEG C of condition, must this polypropylene-base compound dielectric film after complete drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466869.XA CN105086655A (en) | 2015-08-03 | 2015-08-03 | Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510466869.XA CN105086655A (en) | 2015-08-03 | 2015-08-03 | Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105086655A true CN105086655A (en) | 2015-11-25 |
Family
ID=54568024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510466869.XA Pending CN105086655A (en) | 2015-08-03 | 2015-08-03 | Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105086655A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277252A (en) * | 2019-07-03 | 2019-09-24 | 华南理工大学 | A kind of supercapacitor tin-antiomony oxide/holimium oxide/tin indium oxide combination electrode material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978446A (en) * | 2008-03-19 | 2011-02-16 | 大金工业株式会社 | Coating composition for forming highly dielectric film and highly dielectric film |
| CN102174236A (en) * | 2011-03-16 | 2011-09-07 | 哈尔滨师范大学 | Preparation method of polyvinylidene fluoride-based composite with high dielectric constant |
| CN102336928A (en) * | 2011-07-08 | 2012-02-01 | 北京理工大学 | Flexible, environmentally-friendly, transparent and adjustable-illuminant-color film material and preparation method thereof |
| CN103112904A (en) * | 2013-02-25 | 2013-05-22 | 哈尔滨理工大学 | Preparation method of nano Fe3O4 powder for preparation of nano dielectric medium through compounding with polyethylene |
| CN104479161A (en) * | 2013-11-21 | 2015-04-01 | 东莞市长安东阳光铝业研发有限公司 | Polyvinylidene fluoride/polypropylene composite film for film capacitor and preparation method |
-
2015
- 2015-08-03 CN CN201510466869.XA patent/CN105086655A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978446A (en) * | 2008-03-19 | 2011-02-16 | 大金工业株式会社 | Coating composition for forming highly dielectric film and highly dielectric film |
| CN102174236A (en) * | 2011-03-16 | 2011-09-07 | 哈尔滨师范大学 | Preparation method of polyvinylidene fluoride-based composite with high dielectric constant |
| CN102336928A (en) * | 2011-07-08 | 2012-02-01 | 北京理工大学 | Flexible, environmentally-friendly, transparent and adjustable-illuminant-color film material and preparation method thereof |
| CN103112904A (en) * | 2013-02-25 | 2013-05-22 | 哈尔滨理工大学 | Preparation method of nano Fe3O4 powder for preparation of nano dielectric medium through compounding with polyethylene |
| CN104479161A (en) * | 2013-11-21 | 2015-04-01 | 东莞市长安东阳光铝业研发有限公司 | Polyvinylidene fluoride/polypropylene composite film for film capacitor and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277252A (en) * | 2019-07-03 | 2019-09-24 | 华南理工大学 | A kind of supercapacitor tin-antiomony oxide/holimium oxide/tin indium oxide combination electrode material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Achieving excellent dielectric performance in polymer composites with ultralow filler loadings via constructing hollow-structured filler frameworks | |
| Wang et al. | Flexible multi-walled carbon nanotubes/polydimethylsiloxane membranous composites toward high-permittivity performance | |
| Liao et al. | Flexible hdC-G reinforced polyimide composites with high dielectric permittivity | |
| Liu et al. | Surface-modified Ba (Zr0. 3Ti0. 7) O3 nanofibers by polyvinylpyrrolidone filler for poly (vinylidene fluoride) composites with enhanced dielectric constant and energy storage density | |
| Dang et al. | Study on microstructure and dielectric property of the BaTiO3/epoxy resin composites | |
| CN105086297B (en) | A kind of electricity energy-storing dielectric ceramic/polymer composites and preparation method thereof | |
| Zha et al. | Advanced dielectric properties of BaTiO 3/polyvinylidene-fluoride nanocomposites with sandwich multi-layer structure | |
| CN105037777A (en) | Nano-barium-titanate-doped polypropylene-based composite dielectric film used for film capacitors and preparation method of nano-barium-titanate-doped polypropylene-based composite dielectric film | |
| Su et al. | Fabrication and dielectric properties of Na 0.5 Bi 0.5 Cu 3 Ti 4 O 12/poly (vinylidene fluoride) composites | |
| CN105038045A (en) | Preparation method for graphene oxide/polyvinylidene fluoride composite film | |
| Yin et al. | Cellulose/BaTiO3 nanofiber dielectric films with enhanced energy density by interface modification with poly (dopamine) | |
| Hao et al. | Grain size effect on microwave dielectric properties of Na2WO4 ceramics prepared by cold sintering process | |
| CN101955621A (en) | Method for preparing polymer-based nanocomposite material with high dielectric constant | |
| CN103936410A (en) | Manganese carbonate-doped high-temperature stable barium titanate-based dielectric material | |
| Deng et al. | Enhanced dielectric properties of low density polyethylene with bismuth sulfide used as inorganic filler | |
| CN105037776A (en) | Nano-carbon-sol-doped polypropylene-based composite dielectric film used for film capacitors and preparation method of nano-carbon-sol-doped polypropylene-based composite dielectric film | |
| Lin et al. | Preparation of MWCNTs/PVDF composites with high-content β form crystalline of PVDF and enhanced dielectric constant by electrospinning-hot pressing method | |
| CN105131319A (en) | Nanometer lithium iron phosphate-doped polypropylene-based composite dielectric film for film capacitor, and preparation method thereof | |
| CN105085947A (en) | Multiwalled-carbon-nanotube-loaded polyimide high-dielectric-permittivity composite film doped with nano titanium carbide and used for capacitor and preparing method of composite film | |
| CN105086655A (en) | Nanometer indium tin oxide doped high-dielectric polypropylene-based composite dielectric film for film capacitor and preparation method thereof | |
| Wang et al. | Preparation and dielectric properties of Ba0. 95Ca0. 05Ti0. 8Zr0. 2O3-polyethersulfone composites | |
| CN105037775A (en) | Nano-ceramic-powder-doped polypropylene-based composite dielectric film used for film capacitors and preparation method of nano-ceramic-powder-doped polypropylene-based composite dielectric film | |
| Benhadjala et al. | Improved performances of polymer-based dielectric by using inorganic/organic core-shell nanoparticles | |
| Liu et al. | Microstructure and dielectric properties of (Ba0. 6Sr0. 4) TiO3/PEEK functional composites prepared via cold-pressing sintering | |
| CN105085964A (en) | Nano-hydroxyapatite doped anti-static polypropylene-based composite dielectric film for film capacitor and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |